The Delta T controller is an optional accessory for dew prevention on CDK14 through CDK24 OTAs and the CDK700 system.
CDK12.5 to CDK24 and CDK700 telescopes come with primary and secondary mirror dew heating pads (CDK700 adds tertiary mirror heating), which are ready to accept the Delta T controller.
Controlled via PWI3 software for CDK12.5 through CDK24 OTAs (PWI2 for the CDK700).
The back plate on all of the CDK models has four mounting positions for a finder mounting plate.
The finder mounting plate attaches to the back plate of the telescope and the quick-release finder bracket attaches to the mounting plate.
If the telescope is used on a German Equatorial mount it may be convenient to purchase two finder scopes, one for the east and one for the west side of the telescope.
The finder scope is a Baader 10×60 Varios with mounting rings and L- bracket.